Chemistry
by Shamael AL-Rizaiqi

1. Chapter 20
1.1. Section 1, Stability in Bondig
1.1.1. Chemical Formulas
1.1.2. Chemical Stability
1.1.3. Chemical Bonds
1.2. Section 2, Types of Bonds
1.2.1. Ion
1.2.2. Ionic Bonding
1.2.3. Covalent Bond
1.2.4. Molecule